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状语从句郭国栋状语从句类别时间状语从句地点状语从句原因状语从句条件状语从句让步状语从句目的状语从句结果状语从句方式状语从句比较状语从句√√√时间状语从句引导词：when,while,asbefore,after,sincetill,untilassoonas,immediately…eachtime,nexttime…考点一：when,while,aswhen主从句动作同时或先后发生while从句用延续性或表状态的动词as表伴随动作，“一边…一边;随着”①WhenIopenedthewindow,Isawhimcomeup.②IworkedinaforeigncompanywhenIwasinShenzhen.Herushedinwhilewerediscussingproblems.①Asshesang,tearsrandownhercheeks.②Asthegirlgrewolder,shebecamemorebeautiful.when构成的三个句型was/weredoing…whenhaddone…whenbeabouttodo…whene.g.Iwaswalkingalongthedarkstreetwhensomeonecalledme.IhadjuststeppedoutofthebathroomwhenIheardthesteps.Iwasabouttofallasleepwhenthetelephonerang.“没想到”或“突然”考点二：before与sincebefore表主句动作发生在从句之前since主句用have/hasdone,从句用dide.g.Beforeshecouldmove,sheheardaloudnoise,whichgrewtoaterribleroar.IhaveneverbeenthereagainsinceIgraduatedfromtheuniversity.来不及三个句型Itwon’tbelongbeforeItwillbesometimebeforeItis/hasbeen+时间段+sincee.g.Itwon’tbelongbeforeyouregretforwhatyou’vedone.I’msorryyou’vebeenwaitingsolong,butitwillstillbesometimebeforeourmanagergetsback.Itis/hasbeensevenyearssinceIgraduatedfromtheuniversity.不久就过一段时间才自从…有多长时间考点三：“一…就…”assoonasthemoment/minuteimmediately/directly/instantlynosooner…than,hardly…whene.g.Theboyburstintotearsimmediatelyhesawhismother.Ihadhardlygothomewhenitbegantorain.HardlyhadIgothomewhenitbegantorain.考点四：every/eachtime,nexttime,thefirst/lasttimee.g.Each/EverytimewhenIwasintrouble,hewouldcometohelpmeout.IfellinlovewiththebeautifulthefirsttimeIsawher.Therewasonceatime_____________(我讨厌上学).(hate)whenIhatedtogotoschool1.Suchknowledgeisstilluseful_________________(当应用)tosimilarsituationsinothercountries.(when)练一练whenapplieditis2.TheywereplayingMajiang_____________________________(这时他们听到很大的敲门声).(knock)whentheyheardaloudknockatthedoor(2009湖北78)3.Thecarranoutofsight_______________________(没等我能记下)itsnumber.(write)beforeIcouldwritedown4.Nosoonerhadthespeakerentered_____________________________(人群爆发出欢呼声).(burst)thanthecrowdburstintocheers条件状语从句引导词：If,unless,aslongas,incase,onconditionthatYouwillsucceedaslongasyoukeepontrying.e.g.Youshouldstaywhereyouareunless(youare)askedtoleave.Pleasetakeanumbrellaincaseitrains.Hesaidthathewouldcometothemeetingonconditionthatnooneaskedhimtospeak.让步状语从句引导词：though,althoughevenif/thoughwhether疑问词+-everas√√疑问词+-ever与nomatter+疑问词引导的让步状语从句e.g.Whateverotherpeoplemaysay,hewon’tchangehismind.=Nomatterwhatotherpeoplemaysay,…Whateverreasonyouhave,youshouldkeepyourpromise.=Nomatterwhatreasonyouhave,…句型公式：whatever(+n.)+主语+谓语Hecouldn’tgetthereontimehoweverfasthedrove.=Hecouldn’tgetthereontimenomatterhowfasthedrove.句型公式：however+adj./adv.+主语+谓语as引导的让步状语从句e.g.①Youngasheis,heisknowledgeable.②MuchasIrespecthim,Ican’tagreewithhim.③Praisedashewas,heremainedmodest.④Oldestinourcompanyasheis,heworkshardest.=Though/Althoughheisyoung,…=Though/AlthoughIrespecthimmuch,…=Though/Althoughhewaspraised,…=Though/Althoughheistheoldestinourcompany,…句型公式：形容词分词副词名词短语+as+主语+谓语动词练一练1.________________(尽管他学习很努力),hemakeslittleprogress.(as)Hardasheworks2.______________(尽管他是一个孩子),heisknowledgeable.(as)Achildasheise.g.Tryashemight,theboycouldn’tgetbackhisgirlfriend’sheart.注意变化形式：公式：实动+as+主语Childasheis+助动/情动提醒：名词前无冠词课后练习1.You’dbettertakemoreclothes__________________(以防天气变冷).(case)2.______________(随着时间的流逝)you’llhaveabetterunderstandingofit.(go)3.________________________________(无论你遇到什么困难),rememberthatI’msomewhereintheworldblessingyougoodluck.(whatever)4.______________________________(一首诗歌无论翻译得多好),somethingoftheoriginalislost.(however)5.____________(尽管他很富有),heisnothappy.(as)incasetheweathergetscoldAstimegoesbyWhateverdifficultiesyoumeet(with)HoweverwellapoemistranslatedRichasheis